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@@ -29,11 +29,15 @@ class WXBizDataCrypt |
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*/
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public function decryptData( $encryptedData, $iv, &$data )
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{
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if (strlen($this->sessionKey) != 24) {
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return ErrorCode::$IllegalAesKey;
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}
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$aesKey=base64_decode($this->sessionKey);
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if (strlen($iv) != 24) {
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return ErrorCode::$IllegalIv;
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}
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$aesIV=base64_decode($iv);
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$aesCipher=base64_decode($encryptedData);
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@@ -41,10 +45,24 @@ class WXBizDataCrypt |
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$result=openssl_decrypt( $aesCipher, "AES-128-CBC", $aesKey, 1, $aesIV);
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$dataObj=json_decode( $result );
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if( $dataObj == NULL )
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{
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return ErrorCode::$IllegalBuffer;
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}
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if( $dataObj->watermark->appid != $this->appid )
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{
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return ErrorCode::$IllegalBuffer;
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}
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$data = $result;
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return ErrorCode::$OK;
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}
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}
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class ErrorCode
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{
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public static $OK = 0;
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public static $IllegalAesKey = -41001;
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public static $IllegalIv = -41002;
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public static $IllegalBuffer = -41003;
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public static $DecodeBase64Error = -41004;
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} |
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\ No newline at end of file |
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